<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let name=prompt("请输入用户名：")
        let password=+prompt("请输入密码：")
        if(name==='admin' && password===123456){
            alert('登录成功')
        }else{
            alert('登录失败')
        }
    </script>
</body>
</html>